Inventor
D IPPOLITO FRANK M
US8 patents
⚠️ This page may combine multiple inventors who share the name “D IPPOLITO FRANK M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PITNEY BOWES INC
6 patentsUS6466921B1Oct 15, 2002
Virtual postage meter with secure digital signature device
PITNEY BOWES INC151 citations98
US5655023AAug 5, 1997
Advanced postage payment system employing pre-computed digital tokens and with enhanced security
PITNEY BOWES INC140 citations97
US6567794B1May 20, 2003
Method for access control in a virtual postage metering system
PITNEY BOWES INC90 citations95
US5661803AAug 26, 1997
Method of token verification in a key management system
PITNEY BOWES INC86 citations95
US5680456AOct 21, 1997
Method of manufacturing generic meters in a key management system
PITNEY BOWES INC24 citations92
US5742682AApr 21, 1998
Method of manufacturing secure boxes in a key management system
PITNEY BOWES INC22 citations91
ESCHER GROUP LTD
2 patentsUS6349292B1Feb 19, 2002
System and method for distributing postage over a public network, enabling efficient printing of postal indicia on items to be mailed and authenticating the printed indicia
ESCHER GROUP LTD61 citations92
US6609117B2Aug 19, 2003
System and method for distributing postage over a public network, enabling efficient printing of postal indicia on items to be mailed and authenticating the printed indicia
ESCHER GROUP LTD24 citations89